Valve-spring lifter.



P. W. BETTINGER. VALVE SPRING LIFTER. APPLICATION FILED MAR. 14. I917.

hten'ted Nov. 13, 1917.

III

IQ. J

INVENTOR.

I r ATTORNEYS.

a BY lPOSEY w. BETTINGER, or sea .JQSE, CALIFORNIA.

VALVE-SPRING LIFTER.

Specification of Letters Patent.

Patented Nov. 13, 1917.

Application filed March l, 1917. Serial No. 154,717.

To all whom it may concern:

Be it known that I, PosEY W. BE TINGER, a citizen of the United States, residing at San Jose, in the county of Santa Clara and State of California, have invented certain new and useful Improvements in Valve- Spring Lifters, of which the following is a specification.

The present invention relates to a tool for facilitating the removal of puppet valves of the type commonly employed in internal combustion engines and certain types of steam engines.

More particularly, the invention comprises a device for compressing and holding compressed the valve spring, while the spring retaining device is removed, to permit the removal of the valve and its stem in the usual Well known manner. Various forms of such devices are known to the art, and are widely used. The object of the present invention, however, is to provide a device of the type described which is quick-acting, and which holds the spring compressed, so that the operator has both hands free to remove the retaining device. A further object is to provide for easy and quick adjustment of the tool for valve springs of various lengths. The device, moreover, is simple and strong in construction, and cheap to manufacture.

With these and other objects in view, the invention consists in the novel combination of parts hereinafter described, illustrated in the accompanying drawings, and

pointed out in the claim hereto appended,

it being understood that minor changes may be made in form and construction, within the scope of the claim, without departing from the spirit of the invention or sacrificing any of the advantages thereof.

In order to more fully comprehend the invention, reference should be had to the accompanying drawings, wherein:

Figure 1 is a side elevation of my valve spring lifter.

Fig. 2 is a plan view of thesame.

Fig. 3 is a section taken in the direction of the arrows on the line 33 of Fig. 1.

In the drawings, the reference numeral 1, designates a bar, preferably square or rectangular in section, whose lower end is perpendicularly bent to form a transverse arm 2. Said transverse arm is forked at its end, as at 3, to straddle the valve stem (not shown), and is cupped, as at 4, to provide a sea-t for-the lower end of the valve spring (also not shown), so that said forked end will not slip out from under the spring when pressure is applied thereto. The upper portion of the bar 1 is provided with a series of spaced transverse holes 5,-disposed at right angles to the direction of 7 An upper transverse arm 6 is carried, by a sleeve 7 the latter being slidably mounted upon the ,bar' 1. Said upper arm, which is disposed parallel to the lower fixed arm 2, is bent downwardly at its outer end, as at 8, and isprovided, at the extremity of said bent portion, with a centering point 9, adapted to bear against the valve head (not shown).

A lever 10, preferably formed of a fiat strip of metal bent double and having its two members slightly spaced, is bent upwardly near one end, as at 11, and stradthe arm 2.

dles the bar 1 at said upwardly bent end,

the members of said lever bein spread for this purpose, as shown at 12. Z removable pin 13, preferably retained by a cotter-pin l4, pivotally connects the upwardly turned portion 11 of said lever 10 with the bar 1, said pin being adapted to be placed in any one of the holes 5 in said bar. A link 15 has one end pivotally connected with said lever at 16, at the bend therein, and the other end of said link is bifurcated, to straddle the upper arm 6, and is pivotally con nected therewith at 17 It will be readily seen that a movement of the leverlO from the position shown in dotted lines in Fig. 1 to that shown in full lines results in a downward movement of the upper arm 6 with respect to the lower arm 2, the sleeve 7 sliding upon the bar 1. This movement is sufiicient to compress the valve spring (not shown) the required distanceto permit the removal or other operation of the retaining device (also not shown). It will also be seen that when the lever is moved all the way down, the pivot 16 is carried beyond a line joining the pivots 13 and 17, so that no amount of upward force exerted upon the upper arm 6 can move the same. The tool therefore holds the valve spring compressed without fur-- removing the pin '13 and raising the lever 10, allows the upper arm 6 to drop until its end 9 rests upon the head of the valve (not'shown). He then places the pin 13 in the lowest possible hole 5, and depresses the lever 10. This raises the bar 1 and the lower arm 2, compressing the spring the required amount and holding it in such position. The operator then has both hands free for removing or otherwise operating the retaining device (not shown). The device is, therefore, readily adjustable and exceedingly easy to operate.

Having thus described my invention, what I claim as new and desire to protect by Letters Patent is A valve spring lifter comprising a .bar provided with a plurality of transverse holes, a fixed arm extending laterally therefrom, a movable arm slidably mounted upon said bar and disposed substantially paral- 'lel to said fixed arm, an'angle lever associated with said bar for raising and lowering said arm, a removable pin adapted to pivotally connect the end of the short arm of said lever with said bar at any one of the holes therein, and a link connecting the angle of said lever and said movable arm, the pivotal point of connection of said link and arm adapted when said lever is in its lowest position for lying below a line intersecting the pivotal connection between said lever and bar and link and arm, thereby locking the arm from upward movement by pressure applied thereto. i

In testimony whereof I have signed by name to this specification in the presence of two subscribing witnesses.

POSEY W. BETTINGER. Witnesses IIIRAM I). TUTTLE, CHARLES J. CLARK.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents,

Washington, D. O. 

